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pythonpyqtpysideqkeyeventqkeysequence

send keystrokes from unicode string pyqt pyside


I need to simulate keystrokes in pyqt4 or pyside, I already have the following code which is fine but it adds only capital Latin letters, no small or other languages letters are allowed

def sendkeys(self, char, modifier=QtCore.Qt.NoModifier):
    event = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, char, modifier)
    QtCore.QCoreApplication.postEvent(self, event)

def sendstring(self, string):
    for chara in string:
        print(chara)
        self.sendkeys(char=QtGui.QKeySequence.fromString(str(chara))[0])

this is a complete example to get the idea work with latin letters

from PySide import QtCore, QtGui, QtWebKit


class WebPage(QtWebKit.QWebPage):
    """
    QWebPage that prints Javascript errors.
    """

def javaScriptConsoleMessage(self, message, lineNumber, sourceID):
    print('Javascript error at line number %d' % lineNumber)
    print('%s' % message)
    print('Source ID: %s' % sourceID)


class myWindow(QtWebKit.QWebView):
    def __init__(self, parent=None):
        super(myWindow, self).__init__(parent)
        self.loadFinished.connect(self.on_loadFinished)
        self.runloadfinished = True
        self.web_page = WebPage()
        self.setPage(self.web_page)
        self.load(QtCore.QUrl('http://stackoverflow.com/'))
def on_loadFinished(self):
    if self.runloadfinished:
        self.sendkeys(QtCore.Qt.Key_Tab)
        self.sendstring('Hello World')
        self.sendkeys(QtCore.Qt.Key_Enter)
        self.sendkeys(QtCore.Qt.Key_Return)
        self.runloadfinished = False

def sendkeys(self, char, modifier=QtCore.Qt.NoModifier):
    event = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, char, modifier)
    QtCore.QCoreApplication.postEvent(self, event)

def sendstring(self, string):
    for chara in string:
        print(chara)
        self.sendkeys(char=QtGui.QKeySequence.fromString(str(chara))[0])


if __name__ == "__main__":
    import sys

    app = QtGui.QApplication(sys.argv)
    app.setApplicationName('myWindow')
    main = myWindow()
    main.show()
    sys.exit(app.exec_())

Solution

  • for anyone who needs an answer in future I have hired someone on upwork.com and got the answer, here is a full working example and it works with python 2 and 3, pyqt and pyside

    # -*- coding: utf-8 -*-
    
    from PySide import QtCore, QtGui, QtWebKit
    
    
    class WebPage(QtWebKit.QWebPage):
        """
        QWebPage that prints Javascript errors.
        """
    
        def javaScriptConsoleMessage(self, message, lineNumber, sourceID):
            print('Javascript error at line number %d' % lineNumber)
            print('%s' % message)
            print('Source ID: %s' % sourceID)
    
    
    class myWindow(QtWebKit.QWebView):
        def __init__(self, parent=None):
            super(myWindow, self).__init__(parent)
            self.loadFinished.connect(self.on_loadFinished)
            self.runloadfinished = True
            self.web_page = WebPage()
            self.setPage(self.web_page)
            self.load(QtCore.QUrl('http://stackoverflow.com/'))
    
        def on_loadFinished(self):
            if self.runloadfinished:
                self.sendkeys(QtCore.Qt.Key_Tab)
                self.sendstring("لا اله الا الله ")
                #self.sendstring("Hello World")
                self.sendkeys(QtCore.Qt.Key_Enter)
                self.sendkeys(QtCore.Qt.Key_Return)
                self.runloadfinished = False
    
        def sendkeys(self, char, modifier=QtCore.Qt.NoModifier, text=None):
            if not text:
                event = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, char, modifier)
            else:
                event = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, char, modifier, text)
            QtCore.QCoreApplication.postEvent(self, event)
    
        def sendstring(self, string):
            for chara in string:
                print(chara)
    
                # QtCore.QString() is missing when using PyQt4 for Python3
                # since str() is unicode by default on Python3
                # http://inputvalidation.blogspot.in/2010/10/python3-pyqt4-and-missing-qstring.html
                try:
                    text = QtCore.QString(chara)
                except AttributeError:
                    text = str(chara)
    
                self.sendkeys(char=QtGui.QKeySequence.fromString(str(chara))[0],
                              text=text)
    
    
    if __name__ == "__main__":
        import sys
    
        app = QtGui.QApplication(sys.argv)
        app.setApplicationName('myWindow')
    
        main = myWindow()
        main.show()
    
        sys.exit(app.exec_())